Home / 846,901.10-1,269,385.32-341,138.45

Finding the Fourth Proportional to 846,901.10, 1,269,385.32 and 341,138.45

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Solution

The fourth proportional to 846,901.10, 1,269,385.32 and 341,138.45 is: 511,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,901.10 : 1,269,385.32 = 341,138.45 : x
  2. Step 2: Convert to fraction form
    846,901.10/1,269,385.32 = 341,138.45/x
  3. Step 3: Cross multiply
    846,901.10x = 1,269,385.32 × 341,138.45
  4. Step 4: Simplify right side
    846,901.10x = 433,036,140,517.55
  5. Step 5: Solve for x
    x = 433,036,140,517.55/846,901.10
  6. Step 6: Final answer
    x = 511,318.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.